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# SPDX-License-Identifier: Apache-2.0
#
# Copyright (C) 2015, ARM Limited and contributors.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import logging
""" Helper module for Analysis classes """
class AnalysisModule(object):
"""
Base class for Analysis modules.
:param trace: input Trace object
:type trace: :mod:`libs.utils.Trace`
"""
def __init__(self, trace):
self._log = logging.getLogger('Analysis')
self._trace = trace
self._platform = trace.platform
self._tasks = trace.tasks
self._data_dir = trace.data_dir
self._dfg_trace_event = trace._dfg_trace_event
trace._registerDataFrameGetters(self)
# Further initialization not possible if platform info is missing
if not self._platform:
return
# By default assume SMP system
self._big_cap = 1024
self._little_cap = 1024
nrg_model = self._platform.get('nrg_model', None)
if nrg_model:
try:
self._big_cap = nrg_model['big']['cpu']['cap_max']
self._little_cap = nrg_model['little']['cpu']['cap_max']
except TypeError:
self._log.debug('Failed parsing EM from platform data')
else:
self._log.debug('Platform data without Energy Model info')
# By default assume SMP system
self._big_cpus = []
self._little_cpus = []
if 'big' in self._platform['clusters']:
self._log.debug('Parsing big.LITTLE system clusters')
self._big_cpus = self._platform['clusters']['big']
self._little_cpus = self._platform['clusters']['little']
else:
self._log.debug('Parsing SMP clusters')
for cid in self._platform['clusters']:
self._big_cpus.append(self._platform['clusters'][cid])
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